Goal node (computer science)

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In computer science, a goal node is a node in a graph that meets defined criteria for success or termination.

Heuristical artificial intelligence algorithms, like A* and B*, attempt to reach such nodes in optimal time by defining the distance to the goal node. When the goal node is reached, A* defines the distance to the goal node as 0 and all other nodes' distances as positive values.


  • N.J. Nilsson Principles of Artificial Intelligence (1982 Birkhäuser) p. 63

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